March 1 (Reuters) - Otto Marine Ltd OTTO.SI :
* Otto Marine secures OSV chartering contract worth AUD94.8 million to a international e&p company
* Says chartering period is confirmed for 5 years from May 2017 with the option for another 5 years
* Vessel under the charter will be a 100-tonne bollard pull osv, for fpso infield support in the gas field of 40-year life in Australia
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